Infrastructure Test Engineers

Salary: £? - ? per year

• Active DV Clearance.
• Proven experience delivering infrastructure testing within secure, complex or enterprise‑scale environments.
• Strong understanding of the full test lifecycle, including planning, execution, defect management and reporting.
• Experience producing test strategies, plans, scripts and test evidence.
• Hands‑on experience conducting functional, non‑functional and performance testing.
• Ability to work independently within highly secure environments.
• Strong stakeholder engagement and communication skills.
• Desirable expertise in one or more of the following areas:
• Virtual Desktop Infrastructure (VDI) environments.
• Windows Server administration and testing.
• Proxy services and proxy chaining technologies.
• Enterprise authentication and access management.
• End‑user computing and desktop service validation.
• DNS infrastructure and associated services.
• VMware vSphere and virtualisation platforms.
• Infrastructure services testing and validation.
• Network services and enterprise platform testing.
• Performance and resilience testing of virtualised environments.

• Develop, review and execute Infrastructure Test Plans, Test Scripts and Test Cases.
• Perform functional, integration, system and performance testing across infrastructure environments.
• Manage defects through their full lifecycle, including identification, logging, tracking and resolution validation.
• Produce comprehensive test evidence, reports and assurance documentation.
• Validate infrastructure deployments against technical and business requirements.
• Support test readiness reviews, test execution activities and operational acceptance processes.
• Work closely with Infrastructure Engineers, Architects, Service Delivery teams and third‑party suppliers.
• Identify testing risks, issues and dependencies and provide mitigation recommendations.
• Contribute to continuous improvement of testing processes, methodologies and tooling.

• Support
• Network
• VMware
• Windows

We are seeking experienced DV Cleared Infrastructure Test SMEs to support a major secure infrastructure programme. You will work onsite in Hampshire on an initial 12‑month contract, outside IR35, at a rate of £480 to £530 per day. We operate within a complex technical environment and need hands‑on testing expertise to validate critical platforms and services, ensure assurance across the test lifecycle, and support collaboration with key technical and delivery stakeholders.

last updated 25 week of 2026